80852860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1619}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 186157440

約数和(自身を除く): 105304580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 908, 1135, 1619, 2270, 2497, 3238, 4540, 4994, 6476, 8095, 9988, 12485, 16190, 17809, 24970, 32380, 35618, 49940, 71236, 89045, 178090, 356180, 367513, 735026, 1470052, 1837565, 3675130, 4042643, 7350260, 8085286, 16170572, 20213215, 40426430, 80852860]

約数ペア:

[(1, 80852860), (2, 40426430), (4, 20213215), (5, 16170572), (10, 8085286), (11, 7350260), (20, 4042643), (22, 3675130), (44, 1837565), (55, 1470052), (110, 735026), (220, 367513), (227, 356180), (454, 178090), (908, 89045), (1135, 71236), (1619, 49940), (2270, 35618), (2497, 32380), (3238, 24970), (4540, 17809), (4994, 16190), (6476, 12485), (8095, 9988)]